<SEC-DOCUMENT>0001485003-19-000003-index.html : 20190103
<SEC-HEADER>0001485003-19-000003.hdr.sgml : 20190103
<ACCEPTANCE-DATETIME>20190103064511
ACCESSION NUMBER:		0001485003-19-000003
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		30
CONFORMED PERIOD OF REPORT:	20190103
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190103
DATE AS OF CHANGE:		20190103

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sesen Bio, Inc.
		CENTRAL INDEX KEY:			0001485003
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				262025616
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36296
		FILM NUMBER:		19503602

	BUSINESS ADDRESS:	
		STREET 1:		245 FIRST STREET
		STREET 2:		SUITE 1800
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		617-444-8550

	MAIL ADDRESS:	
		STREET 1:		245 FIRST STREET
		STREET 2:		SUITE 1800
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eleven Biotherapeutics, Inc.
		DATE OF NAME CHANGE:	20100223
</SEC-HEADER>
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Document 1 - file: sesn-form8xk1032018updated.htm

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<FILENAME>sesenupdatedvisattrialda.htm
<DESCRIPTION>EXHIBIT 99.1
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Document 2 - file: sesenupdatedvisattrialda.htm

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<FILENAME>sesnvistadataupdateslide.htm
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Document 3 - file: sesnvistadataupdateslide.htm

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Document 4 - file: sesenupdatedvisattrialda001.jpg

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Document 5 - file: sesenupdatedvisattrialda002.jpg

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Document 6 - file: sesenupdatedvisattrialda003.jpg

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Document 7 - file: sesenupdatedvisattrialda004.jpg

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Document 8 - file: sesenupdatedvisattrialda005.jpg

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Document 9 - file: sesnvistadataupdateslide001.jpg

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Document 10 - file: sesnvistadataupdateslide002.jpg

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Document 11 - file: sesnvistadataupdateslide003.jpg

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Document 12 - file: sesnvistadataupdateslide004.jpg

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Document 13 - file: sesnvistadataupdateslide005.jpg

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Document 14 - file: sesnvistadataupdateslide006.jpg

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Document 15 - file: sesnvistadataupdateslide007.jpg

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Document 16 - file: sesnvistadataupdateslide008.jpg

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Document 19 - file: sesnvistadataupdateslide011.jpg

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Document 20 - file: sesnvistadataupdateslide012.jpg

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Document 21 - file: sesnvistadataupdateslide013.jpg

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Document 22 - file: sesnvistadataupdateslide014.jpg

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Document 23 - file: sesnvistadataupdateslide015.jpg

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Document 24 - file: sesnvistadataupdateslide016.jpg

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Document 25 - file: sesnvistadataupdateslide017.jpg

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Document 26 - file: sesnvistadataupdateslide018.jpg

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Document 27 - file: sesnvistadataupdateslide019.jpg

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Document 28 - file: sesnvistadataupdateslide020.jpg

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Document 29 - file: sesnvistadataupdateslide021.jpg

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Document 30 - file: sesnvistadataupdateslide022.jpg

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